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i2c: Add target related commands to the shell module

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For testing/debugging purposes, it will be possible then to register
or unregister an i2c target.

Signed-off-by: Tomasz Bursztyka <tobu@bang-olufsen.dk>
Co-authored-by: Hans Binderup <habi@bang-olufsen.dk>
This commit is contained in:
Tomasz Bursztyka 2025-06-12 12:10:41 +02:00 • committed by Benjamin Cabé
commit 3703027b42
1 changed files with 68 additions and 0 deletions
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68
drivers/i2c/i2c_shell.c
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@ -319,6 +319,58 @@ static int cmd_i2c_speed(const struct shell *sh, size_t argc, char **argv)
return 0;
}
/* i2c target register <device> */
static int cmd_i2c_target_register(const struct shell *sh,
size_t argc, char **argv)
{
char *s_dev_name = argv[ARGV_DEV];
const struct device *dev;
int ret;
dev = shell_device_get_binding(s_dev_name);
if (!dev) {
shell_error(sh, "I2C: Device driver %s not found.", s_dev_name);
return -ENODEV;
}
ret = i2c_target_driver_register(dev);
if (ret < 0) {
shell_error(sh, "I2C: Failed to register %s with err=%d",
s_dev_name, ret);
return ret;
}
shell_print(sh, "I2C: Successfully registered %s", s_dev_name);
return 0;
}
/* i2c target unregister <device> */
static int cmd_i2c_target_unregister(const struct shell *sh,
size_t argc, char **argv)
{
char *s_dev_name = argv[ARGV_DEV];
const struct device *dev;
int ret;
dev = shell_device_get_binding(s_dev_name);
if (!dev) {
shell_error(sh, "I2C: Device driver %s not found.", s_dev_name);
return -ENODEV;
}
ret = i2c_target_driver_unregister(dev);
if (ret < 0) {
shell_error(sh, "I2C: Failed to unregister %s with err=%d",
s_dev_name, ret);
return ret;
}
shell_print(sh, "I2C: Successfully unregistered %s", s_dev_name);
return 0;
}
static bool device_is_i2c(const struct device *dev)
{
#ifdef CONFIG_I3C
@ -340,6 +392,19 @@ static void device_name_get(size_t idx, struct shell_static_entry *entry)
SHELL_DYNAMIC_CMD_CREATE(dsub_device_name, device_name_get);
SHELL_STATIC_SUBCMD_SET_CREATE(
sub_i2c_target,
SHELL_CMD_ARG(register, &dsub_device_name,
"Register an i2c-target on its respective bus.\n"
"Usage: target register <device>",
cmd_i2c_target_register, 2, 0),
SHELL_CMD_ARG(unregister, &dsub_device_name,
"Unegister an i2c-target from its respective bus.\n"
"Usage: target unregister <device>",
cmd_i2c_target_unregister, 2, 0),
SHELL_SUBCMD_SET_END /* Array terminated. */
);
SHELL_STATIC_SUBCMD_SET_CREATE(sub_i2c_cmds,
SHELL_CMD_ARG(scan, &dsub_device_name,
"Scan I2C devices\n"
@ -374,6 +439,9 @@ SHELL_STATIC_SUBCMD_SET_CREATE(sub_i2c_cmds,
"Configure I2C bus speed\n"
"Usage: speed <device> <speed>",
cmd_i2c_speed, 3, 0),
SHELL_CMD_ARG(target, &sub_i2c_target,
"Subcommands operating on i2c targets.",
NULL, 3, 0),
SHELL_SUBCMD_SET_END /* Array terminated. */
);